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Best quiescence Alternatives
Here are some Firefox add-ons that are similar to quiescence:
Tranquility
Firefox Pioneer
12 5.00 
(2) 
The peace
Shirley
- 0.00 (0) 
Tranquility.
Synith
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zen tranquility
Sevendays
7 0.00 (0) 
superquiet
redgruppa
- 0.00 (0) 
THEqUIET
JoshLPeterson
- 0.00 (0) 
Calmness
Shamway
- 0.00 (0) 
Quiet-
Squeee
- 0.00 (0) 
loudsilence
loudsilence
- 0.00 (0) 
Quiet
Mr. Mao
- 0.00 (0) 
alone peace
monstyrx
- 5.00 (1) 
Hello, silence
Firephoque
- 5.00 (1)